SECTION I
INTRODUCTION
1. Scope
Code
Application/Explanation
This manual lists repair parts and special tools required
O -
Support item is removed, replaced, used at the
for performance of organizational maintenance of the
organizational level.
AN/ARM-SA.
(b) The maintenance code entered in the fourth
2. General
position indicates whether the item is to be repaired and
This Repair Parts and Special Tools List is divided into
identifies the lowest maintenance level with the capability
the following sections:
to perform complete repair (i.e., all authorized
a. Section II. Repair Parts List. A list of repair
maintenance functions). This position will contain the
parts authorized for use in the performance of
following maintenance code:
maintenance. The fist also includes parts which must be
Code
Application/Explanation
removed for replacement of the authorized parts. Parts
Z -
Nonreparable. No repair is authorized.
lists are composed of functional groups in ascending
(3) Recoverability code. Recoverability codes are
numerical sequence.
assigned to support items to indicate the disposition
b. Section III. Special Tools List. Not applicable.
action on unserviceable items. The recoverability code is
c. Section IV. National Stock Number and Part
entered in the fifth position of the Uniform SMR Code
Number Index. Not applicable.
format as follows:
3. Explanation of Columns
Recoverability
The following provides an explanation of columns found
Codes
Definition
in the tabular listings:
Z -
Nonreparable item.
When unserviceable,
a. Illustration. This column is divided as follows:
condemn and dispose at the level indicated in
(1) Figure number. Indicates the figure
position 3.
number of the illustration in which the item is shown.
c. National Stock Number. Indicates the National
(2) Item number. The number used to identify
stock number assigned to the item and will be used for
each item called out in the illustration.
requisitioning purposes.
b. Source, Maintenance, and Recoverability Codes
d. Part Number. Indicates the primary number
(SMR).
used by the manufacturer (individual, company, firm,
(1) Source code. Source codes are assigned
corporation, or Government activity), which controls the
to sup- port items to indicate the manner of acquiring
design and characteristics of the item by means of its
support items for maintenance, repair, or overhaul of end
engineering drawings, specifications standards, and
items. Source codes are entered in the first and second
inspection requirements, to identify an item or range of
positions of the Uniform SMR Code format as follows:
items.
Code
Definition
NOTE
PA - Item procured and stocked for anticipated or
When a stock numbered item is
known usage.
requisitioned, the repair part received
NOTE
may have a different part number
Cannibalization or salvage may be
than the part being replaced.
used as a source of supply for any
e. Federal Supply Code for Manufacturer (FSCM).
items source coded above except
The FSCM is a 5-digit numeric code listed in SB 708-42
those coded XA, XD, and air- craft
which is used to identify the manufacturer, distributor, or
support items as restricted by AR
Government agency, etc.
700-42.
f. Description. Indicates the Federal item name
(2) Maintenance code. Maintenance codes are
and, if required, a minimum description to identify the
assigned to indicate the levels of maintenance
item.
authorized to USE and REPAIR support items. The
g. Unit of Measure (U/M). Indicates the standard of
maintenance codes are entered in the third and fourth
the basic quantity of the listed item as used in performing
positions of the Uniform SMR Code format as follows:
the actual maintenance function. This measure is
(a) The maintenance code entered in the third
expressed by a two-character alphabetical abbreviation
position will indicate the lowest maintenance level
(e.g., ea, in, pr, etc.). When the unit of measure differs
authorized to remove, replace, and use the support item.
from the unit of issue, the lowest unit of issue that will
The maintenance code entered in the third position will
satisfy the required units of measure will be
indicate the following level of maintenance:
requisitioned.
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